Matt Cassel has only 244 passing yards in two games this year.
(Tony Dejak / Associated Press)
Did you know?
The 49ers are 8-0 when Alex Smith starts and has a passer rating of at least 96. ... San Francisco TE Vernon Davis has five touchdowns in his last four games against AFC opponents. ... The Chiefs have not won consecutive home games since 2006-07. ... Kansas City DT Glenn Dorsey has four career fumble recoveries.